DescriptionUV-curing resins with multiple functions, all while curing in seconds.UV resins allow for infinite work time but cure within seconds when exposed to one of Loon’s UV lights. The result: a perfect application with a durable, clean, and glossy finish. The different viscosities were developed to perform for different circumstances:UV Thin is viscous enough to build heads or wing cases, but thin enough to coat bodies on small, low-profile flies.UV Thick is perfect for building big heads, bodies, and wing cases.Features:UV Blocking application needlesTaper-Tip needle prevents clogsBuild fly heads and bodiesInstantly cures with sunlight or UV lightBrush applicator includedNeedle tip included for precision tying